Molecules from the 20-million-year-old teeth of a rhino relative are among the oldest ever sequenced, opening tantalizing ...

This study, published in Nature, sheds light on the evolutionary precursors to multicellularity. The earliest life forms on ...

"It's not until around the [19]40s where genetic evidence actually clarified where birds sit [on the tree of life]," ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

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